Home / 64,531.68-96,786.08-17,788.16

Finding the Fourth Proportional to 64,531.68, 96,786.08 and 17,788.16

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Solution

The fourth proportional to 64,531.68, 96,786.08 and 17,788.16 is: 26,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,531.68 : 96,786.08 = 17,788.16 : x
  2. Step 2: Convert to fraction form
    64,531.68/96,786.08 = 17,788.16/x
  3. Step 3: Cross multiply
    64,531.68x = 96,786.08 × 17,788.16
  4. Step 4: Simplify right side
    64,531.68x = 1,721,646,276.81
  5. Step 5: Solve for x
    x = 1,721,646,276.81/64,531.68
  6. Step 6: Final answer
    x = 26,679.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.